LONDON, UK: Avacta Group plc (AIM: AVCT), a clinical stage oncology drug company, announced that Vimian Group AB (Vimian.ST) has acquired the veterinary division of Avacta Group, Avacta Animal Health. Avacta has received an upfront payment of £0.9 million and will receive additional deferred consideration of up to £1.4 million dependent on the combined performance…